Set in Kyoto, Japan, a love story takes place between Hajime (Masaki Okada) and Reika (Kaya Kiyohara). Hajime is a handsome young man, who is usually a second quicker than everyone else and straightforward. He works at the post office. Reika is a young woman, who is usually a step slower than everyone else. After Valentine's Day, Hajime wakes up and is unable to remember what happened that day.